let m = 7
let n = 1

for e = 2 to m

	if e = 2 then

		let s = 0

	else

		let s = 4

	endif

	let n = (n + 1) * 2 - 1

	for i = 1 to e - 2

		let s = (s * s - 2) % n

	next i

	if s = 0 then

		print e, " ",

	endif

next e